One vertex per element, one color per generator, with an edge from x to x·s.
(1,2)(3,4)(5,6)(7,10)(8,11)(9,12)(13,14,19,24)(15,25,27,40)(16,21,31,38)(17,23,18,22)(20,33,35,28)(26,41,29,44)(30,39,32,37)(34,42,36,43)(7,8)(10,11)(13,15)(14,20)(16,29)(17,28)(18,33)(19,27)(21,36)(22,25)(23,40)(24,35)(26,31)(30,43)(32,42)(34,38)(37,41)(39,44) involution — undirected(2,4)(5,7,9,8)(6,10,12,11)(13,16,19,31)(14,21,24,38)(15,26,27,29)(17,32,18,30)(20,34,35,36)(22,39,23,37)(25,41,40,44)(28,43,33,42)(5,8,9,7)(6,11,12,10)(15,27)(20,35)(25,40)(26,29)(28,33)(34,36)(41,44)(42,43)(6,12)(10,11)(13,17,19,18)(14,22,24,23)(15,28,27,33)(16,30,31,32)(20,25,35,40)(21,37,38,39)(26,42,29,43)(34,44,36,41)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.